This workshop service and repair manual provides comprehensive information for the KXR 250 Mongoose, an all-terrain vehicle designed for versatile off-road performance. Featuring a robust single-cylinder, 4-stroke, 250cc liquid-cooled engine, this ATV is engineered for reliability and power. Its design incorporates a steel frame, independent front suspension, a swingarm rear suspension with a monoshock, and hydraulic disc brakes on both the front and rear, ensuring capable handling and stopping power across varied terrains. The KXR 250 Mongoose is built to tackle challenging environments, offering a dependable riding experience for enthusiasts. This manual serves as an essential guide for maintaining and repairing your KXR 250 Mongoose. It covers all aspects of the vehicle, from routine maintenance procedures, including lubrication systems and service intervals, to detailed technical specifications and troubleshooting guidance. You will find step-by-step instructions for engine, transmission, chassis, suspension, braking, and electrical systems, as well as information on wheel and tire service, and steering system maintenance. With easy-to-follow instructions, this English-language manual is an invaluable resource for owners and technicians alike, ensuring the longevity and optimal performance of your ATV.